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Finding the Fourth Proportional to 54,681.89, 82,022.83 and 15,239.34

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Solution

The fourth proportional to 54,681.89, 82,022.83 and 15,239.34 is: 22,859.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,681.89 : 82,022.83 = 15,239.34 : x
  2. Step 2: Convert to fraction form
    54,681.89/82,022.83 = 15,239.34/x
  3. Step 3: Cross multiply
    54,681.89x = 82,022.83 × 15,239.34
  4. Step 4: Simplify right side
    54,681.89x = 1,249,973,756.03
  5. Step 5: Solve for x
    x = 1,249,973,756.03/54,681.89
  6. Step 6: Final answer
    x = 22,859.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.